/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package controller.user;

import dao.IphoneDAO;
import dao.IphoneTypeDAO;
import entity.Iphone;
import entity.Iphonetype;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Turtle
 */
public class chooser_iphone extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /* TODO output your page here
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet chooser_iphone</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet chooser_iphone at " + request.getContextPath () + "</h1>");
            out.println("</body>");
            out.println("</html>");
             */
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        HttpSession session = request.getSession();
        String action = request.getParameter("action");
        String url = "";

        if (session.getAttribute("user") == null || !session.getAttribute("user").equals("normal")) {
            response.sendRedirect("login?action=load");
            return;
        }

        if (action == null) {
            url = "userpages/chooser_iphone.jsp";
        } else if (action.equals("load")) {
            String iphone_type = request.getParameter("iphone_type");
            Iphonetype type = IphoneTypeDAO.getTypeByID(iphone_type);
            ArrayList<Iphone> proList = IphoneDAO.getProductsByType(type);
            
            request.setAttribute("iphonetype", type.getName());
            request.setAttribute("proList", proList);
            
            url = "userpages/chooser_iphone.jsp";
        } else if (action.equals("choose")) {
            if (request.getParameter("id") != null && session.getAttribute("user") != null && !session.getAttribute("user").equals("")) {
                ArrayList<String> shopcart = new ArrayList<String>();

                if (session.getAttribute("cart") != null) {
                    shopcart = (ArrayList<String>) session.getAttribute("cart");
                }

                shopcart.add(request.getParameter("id"));
                session.setAttribute("cart", shopcart);
                
                response.sendRedirect("cart?action=load");
                return;
            } else {
                response.sendRedirect("login?action=load");
                return;
            }
        }

        RequestDispatcher rd = request.getRequestDispatcher(url);
        rd.forward(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
